Barraza, Sergio Enrique
Current rating: 1484
Record: 3-4
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 93 | Oropeza Venegas, Miguel (1484) | Won 2-0 | +181518 |
| 3sealed | 10 | Matsushita, Takashi (1596) | Lost 0-2 | -171501 |
| 4sealed | 125 | Hochman, Sabrina (1466) | Won 2-0 | +171518 |
| 5sealed | 83 | Appel, Eder Vlamir (1590) | Lost 0-2 | -161502 |
| 6sealed | 67 | Alvarado Picazo, Arturo (1531) | Won 2-0 | +181520 |
| 7sealed | 85 | Medina Lopez, Carlos Alberto (1471) | Lost 1-2 | -191501 |
| 8sealed | 65 | Duque, Pablo (1544) | Lost 0-2 | -171484 |
| average opponent: 1526record: 3-4 | new rating: 1484 | |||